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java.lang.IllegalStateException: open at org.bson.util.Assertions.isTrue(Assertions.java:36) at com.mongodb.DBTCPConnector.getPrimaryPort(DBTCPConnector.java:406) at com.mongodb.DBCollectionImpl.insert(DBCollectionImpl.java:184) at com.mongodb.DBCollectionImpl.insert(DBCollectionImpl.java:167) at com.mongodb.DBCollection.insert(DBCollection.java:161) at com.mongodb.DBCollection.insert(DBCollection.java:107) at com.mongodb.DBCollection.save(DBCollection.java:1049) at com.mongodb.DBCollection.save(DBCollection.java:1014) at com.mongodb.hadoop.output.MongoRecordWriter.write(MongoRecordWriter.java:105) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$12.apply(PairRDDFunctions.scala:1000) at org.apache.spark.rdd.PairRDDFunctions$$anonfun$12.apply(PairRDDFunctions.scala:979) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61) at org.apache.spark.scheduler.Task.run(Task.scala:64) at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:203) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)